{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "707937",
    "entityType": "User",
    "nonce": "0xd8bffc34abb92b95c47558e1cc895ffbae3909e36a7caef78efa9bf260df5b15",
    "signature": "0x6e162be6b7fec11420d6651ad06fc56b87209a69247c3e610a204a5a019d463904c5d813c81755de7d958680f1cce757ef21204c1954a75389de9af2db4cba351c",
    "signer": "0x775bA7FB8a4FF9354c099465ca493BA949FdAca6",
    "userId": "597677270"
  }
}